# - Build binary and source package installers
#
# The CPackComponent module is the module which handles
# the component part of CPack. See CPack module for
# general information about CPack.
#
# For certain kinds of binary installers (including the graphical
# installers on Mac OS X and Windows), CPack generates installers that
# allow users to select individual application components to
# install. The contents of each of the components are identified by
# the COMPONENT argument of CMake's INSTALL command. These components
# can be annotated with user-friendly names and descriptions,
# inter-component dependencies, etc., and grouped in various ways to
# customize the resulting installer. See the cpack_add_* commands,
# described below, for more information about component-specific
# installations.
#
# Component-specific installation allows users to select specific sets
# of components to install during the install process. Installation
# components are identified by the COMPONENT argument of CMake's
# INSTALL commands, and should be further described by the following
# CPack commands:
#
#   cpack_add_component - Describes a CPack installation component
#   named by the COMPONENT argument to a CMake INSTALL command.
#
#     cpack_add_component(compname
#                         [DISPLAY_NAME name]
#                         [DESCRIPTION description]
#                         [HIDDEN | REQUIRED | DISABLED ]
#                         [GROUP group]
#                         [DEPENDS comp1 comp2 ... ]
#                         [INSTALL_TYPES type1 type2 ... ]
#                         [DOWNLOADED]
#                         [ARCHIVE_FILE filename])
#
#   The cmake_add_component command describes an installation
#   component, which the user can opt to install or remove as part of
#   the graphical installation process. compname is the name of the
#   component, as provided to the COMPONENT argument of one or more
#   CMake INSTALL commands.
#
#   DISPLAY_NAME is the displayed name of the component, used in
#   graphical installers to display the component name. This value can
#   be any string.
#
#   DESCRIPTION is an extended description of the component, used in
#   graphical installers to give the user additional information about
#   the component. Descriptions can span multiple lines using "\n" as
#   the line separator. Typically, these descriptions should be no
#   more than a few lines long.
#
#   HIDDEN indicates that this component will be hidden in the
#   graphical installer, so that the user cannot directly change
#   whether it is installed or not.
#
#   REQUIRED indicates that this component is required, and therefore
#   will always be installed. It will be visible in the graphical
#   installer, but it cannot be unselected. (Typically, required
#   components are shown greyed out).
#
#   DISABLED indicates that this component should be disabled
#   (unselected) by default. The user is free to select this component
#   for installation, unless it is also HIDDEN.
#
#   DEPENDS lists the components on which this component depends. If
#   this component is selected, then each of the components listed
#   must also be selected. The dependency information is encoded
#   within the installer itself, so that users cannot install
#   inconsitent sets of components.
#
#   GROUP names the component group of which this component is a
#   part. If not provided, the component will be a standalone
#   component, not part of any component group. Component groups are
#   described with the cpack_add_component_group command, detailed
#   below.
#
#   INSTALL_TYPES lists the installation types of which this component
#   is a part. When one of these installations types is selected, this
#   component will automatically be selected. Installation types are
#   described with the cpack_add_install_type command, detailed below.
#
#   DOWNLOADED indicates that this component should be downloaded
#   on-the-fly by the installer, rather than packaged in with the
#   installer itself. For more information, see the cpack_configure_downloads
#   command.
#
#   ARCHIVE_FILE provides a name for the archive file created by CPack
#   to be used for downloaded components. If not supplied, CPack will
#   create a file with some name based on CPACK_PACKAGE_FILE_NAME and
#   the name of the component. See cpack_configure_downloads for more
#   information.
#
#   cpack_add_component_group - Describes a group of related CPack
#   installation components.
#
#     cpack_add_component_group(groupname
#                              [DISPLAY_NAME name]
#                              [DESCRIPTION description]
#                              [PARENT_GROUP parent]
#                              [EXPANDED]
#                              [BOLD_TITLE])
#
#   The cpack_add_component_group describes a group of installation
#   components, which will be placed together within the listing of
#   options. Typically, component groups allow the user to
#   select/deselect all of the components within a single group via a
#   single group-level option. Use component groups to reduce the
#   complexity of installers with many options. groupname is an
#   arbitrary name used to identify the group in the GROUP argument of
#   the cpack_add_component command, which is used to place a
#   component in a group. The name of the group must not conflict with
#   the name of any component.
#
#   DISPLAY_NAME is the displayed name of the component group, used in
#   graphical installers to display the component group name. This
#   value can be any string.
#
#   DESCRIPTION is an extended description of the component group,
#   used in graphical installers to give the user additional
#   information about the components within that group. Descriptions
#   can span multiple lines using "\n" as the line
#   separator. Typically, these descriptions should be no more than a
#   few lines long.
#
#   PARENT_GROUP, if supplied, names the parent group of this group.
#   Parent groups are used to establish a hierarchy of groups,
#   providing an arbitrary hierarchy of groups.
#
#   EXPANDED indicates that, by default, the group should show up as
#   "expanded", so that the user immediately sees all of the
#   components within the group. Otherwise, the group will initially
#   show up as a single entry.
#
#   BOLD_TITLE indicates that the group title should appear in bold,
#   to call the user's attention to the group.
#
#   cpack_add_install_type - Add a new installation type containing a
#   set of predefined component selections to the graphical installer.
#
#     cpack_add_install_type(typename
#                            [DISPLAY_NAME name])
#
#   The cpack_add_install_type command identifies a set of preselected
#   components that represents a common use case for an
#   application. For example, a "Developer" install type might include
#   an application along with its header and library files, while an
#   "End user" install type might just include the application's
#   executable. Each component identifies itself with one or more
#   install types via the INSTALL_TYPES argument to
#   cpack_add_component.
#
#   DISPLAY_NAME is the displayed name of the install type, which will
#   typically show up in a drop-down box within a graphical
#   installer. This value can be any string.
#
#   cpack_configure_downloads - Configure CPack to download selected
#   components on-the-fly as part of the installation process.
#
#     cpack_configure_downloads(site
#                               [UPLOAD_DIRECTORY dirname]
#                               [ALL]
#                               [ADD_REMOVE|NO_ADD_REMOVE])
#
#   The cpack_configure_downloads command configures installation-time
#   downloads of selected components. For each downloadable component,
#   CPack will create an archive containing the contents of that
#   component, which should be uploaded to the given site. When the
#   user selects that component for installation, the installer will
#   download and extract the component in place. This feature is
#   useful for creating small installers that only download the
#   requested components, saving bandwidth. Additionally, the
#   installers are small enough that they will be installed as part of
#   the normal installation process, and the "Change" button in
#   Windows Add/Remove Programs control panel will allow one to add or
#   remove parts of the application after the original
#   installation. On Windows, the downloaded-components functionality
#   requires the ZipDLL plug-in for NSIS, available at:
#
#     http://nsis.sourceforge.net/ZipDLL_plug-in
#
#   On Mac OS X, installers that download components on-the-fly can
#   only be built and installed on system using Mac OS X 10.5 or
#   later.
#
#   The site argument is a URL where the archives for downloadable
#   components will reside, e.g., http://www.cmake.org/files/2.6.1/installer/
#   All of the archives produced by CPack should be uploaded to that location.
#
#   UPLOAD_DIRECTORY is the local directory where CPack will create the
#   various archives for each of the components. The contents of this
#   directory should be uploaded to a location accessible by the URL given
#   in the site argument. If omitted, CPack will use the directory
#   CPackUploads inside the CMake binary directory to store the generated
#   archives.
#
#   The ALL flag indicates that all components be downloaded. Otherwise, only
#   those components explicitly marked as DOWNLOADED or that have a specified
#   ARCHIVE_FILE will be downloaded. Additionally, the ALL option implies
#   ADD_REMOVE (unless NO_ADD_REMOVE is specified).
#
#   ADD_REMOVE indicates that CPack should install a copy of the installer
#   that can be called from Windows' Add/Remove Programs dialog (via the
#   "Modify" button) to change the set of installed components. NO_ADD_REMOVE
#   turns off this behavior. This option is ignored on Mac OS X.

#=============================================================================
# Copyright 2006-2009 Kitware, Inc.
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
#  License text for the above reference.)

# Define var in order to avoid multiple inclusion
IF(NOT CPackComponent_CMake_INCLUDED)
SET(CPackComponent_CMake_INCLUDED 1)

# Argument-parsing macro from http://www.cmake.org/Wiki/CMakeMacroParseArguments
MACRO(cpack_parse_arguments prefix arg_names option_names)
  SET(${prefix}_DEFAULT_ARGS)
  FOREACH(arg_name ${arg_names})
    SET(${prefix}_${arg_name})
  ENDFOREACH(arg_name)
  FOREACH(option ${option_names})
    SET(${prefix}_${option} FALSE)
  ENDFOREACH(option)

  SET(current_arg_name DEFAULT_ARGS)
  SET(current_arg_list)
  FOREACH(arg ${ARGN})
    SET(larg_names ${arg_names})
    LIST(FIND larg_names "${arg}" is_arg_name)
    IF (is_arg_name GREATER -1)
      SET(${prefix}_${current_arg_name} ${current_arg_list})
      SET(current_arg_name ${arg})
      SET(current_arg_list)
    ELSE (is_arg_name GREATER -1)
      SET(loption_names ${option_names})
      LIST(FIND loption_names "${arg}" is_option)
      IF (is_option GREATER -1)
        SET(${prefix}_${arg} TRUE)
      ELSE (is_option GREATER -1)
        SET(current_arg_list ${current_arg_list} ${arg})
      ENDIF (is_option GREATER -1)
    ENDIF (is_arg_name GREATER -1)
  ENDFOREACH(arg)
  SET(${prefix}_${current_arg_name} ${current_arg_list})
ENDMACRO(cpack_parse_arguments)

# Macro that appends a SET command for the given variable name (var)
# to the macro named strvar, but only if the variable named "var"
# has been defined. The string will eventually be appended to a CPack
# configuration file.
MACRO(cpack_append_variable_set_command var strvar)
  IF (DEFINED ${var})
    SET(${strvar} "${${strvar}}SET(${var}")
    FOREACH(APPENDVAL ${${var}})
      SET(${strvar} "${${strvar}} ${APPENDVAL}")
    ENDFOREACH(APPENDVAL)
    SET(${strvar} "${${strvar}})\n")
  ENDIF (DEFINED ${var})
ENDMACRO(cpack_append_variable_set_command)

# Macro that appends a SET command for the given variable name (var)
# to the macro named strvar, but only if the variable named "var"
# has been defined and is a string. The string will eventually be
# appended to a CPack configuration file.
MACRO(cpack_append_string_variable_set_command var strvar)
  IF (DEFINED ${var})
    LIST(LENGTH ${var} CPACK_APP_VALUE_LEN)
    IF(${CPACK_APP_VALUE_LEN} EQUAL 1)
      SET(${strvar} "${${strvar}}SET(${var} \"${${var}}\")\n")
    ENDIF(${CPACK_APP_VALUE_LEN} EQUAL 1)
  ENDIF (DEFINED ${var})
ENDMACRO(cpack_append_string_variable_set_command)

# Macro that appends a SET command for the given variable name (var)
# to the macro named strvar, but only if the variable named "var"
# has been set to true. The string will eventually be
# appended to a CPack configuration file.
MACRO(cpack_append_option_set_command var strvar)
  IF (${var})
    LIST(LENGTH ${var} CPACK_APP_VALUE_LEN)
    IF(${CPACK_APP_VALUE_LEN} EQUAL 1)
      SET(${strvar} "${${strvar}}SET(${var} TRUE)\n")
    ENDIF(${CPACK_APP_VALUE_LEN} EQUAL 1)
  ENDIF (${var})
ENDMACRO(cpack_append_option_set_command)

# Macro that adds a component to the CPack installer
MACRO(cpack_add_component compname)
  STRING(TOUPPER ${compname} CPACK_ADDCOMP_UNAME)
  cpack_parse_arguments(CPACK_COMPONENT_${CPACK_ADDCOMP_UNAME}
    "DISPLAY_NAME;DESCRIPTION;GROUP;DEPENDS;INSTALL_TYPES;ARCHIVE_FILE"
    "HIDDEN;REQUIRED;DISABLED;DOWNLOADED"
    ${ARGN}
    )

  if (CPACK_COMPONENT_${CPACK_ADDCOMP_UNAME}_DOWNLOADED)
    SET(CPACK_ADDCOMP_STR "\n# Configuration for downloaded component \"${compname}\"\n")
  else ()
    SET(CPACK_ADDCOMP_STR "\n# Configuration for component \"${compname}\"\n")
  endif ()

  IF(NOT CPACK_MONOLITHIC_INSTALL)
    # If the user didn't set CPACK_COMPONENTS_ALL explicitly, update the
    # value of CPACK_COMPONENTS_ALL in the configuration file. This will
    # take care of any components that have been added after the CPack
    # moduled was included.
    IF(NOT CPACK_COMPONENTS_ALL_SET_BY_USER)
      GET_CMAKE_PROPERTY(CPACK_ADDCOMP_COMPONENTS COMPONENTS)
      SET(CPACK_ADDCOMP_STR "${CPACK_ADDCOMP_STR}\nSET(CPACK_COMPONENTS_ALL")
      FOREACH(COMP ${CPACK_ADDCOMP_COMPONENTS})
       SET(CPACK_ADDCOMP_STR "${CPACK_ADDCOMP_STR} ${COMP}")
      ENDFOREACH(COMP)
      SET(CPACK_ADDCOMP_STR "${CPACK_ADDCOMP_STR})\n")
    ENDIF(NOT CPACK_COMPONENTS_ALL_SET_BY_USER)
  ENDIF(NOT CPACK_MONOLITHIC_INSTALL)

  cpack_append_string_variable_set_command(
    CPACK_COMPONENT_${CPACK_ADDCOMP_UNAME}_DISPLAY_NAME
    CPACK_ADDCOMP_STR)
  cpack_append_string_variable_set_command(
    CPACK_COMPONENT_${CPACK_ADDCOMP_UNAME}_DESCRIPTION
    CPACK_ADDCOMP_STR)
  cpack_append_variable_set_command(
    CPACK_COMPONENT_${CPACK_ADDCOMP_UNAME}_GROUP
    CPACK_ADDCOMP_STR)
  cpack_append_variable_set_command(
    CPACK_COMPONENT_${CPACK_ADDCOMP_UNAME}_DEPENDS
    CPACK_ADDCOMP_STR)
  cpack_append_variable_set_command(
    CPACK_COMPONENT_${CPACK_ADDCOMP_UNAME}_INSTALL_TYPES
    CPACK_ADDCOMP_STR)
  cpack_append_string_variable_set_command(
    CPACK_COMPONENT_${CPACK_ADDCOMP_UNAME}_ARCHIVE_FILE
    CPACK_ADDCOMP_STR)
  cpack_append_option_set_command(
    CPACK_COMPONENT_${CPACK_ADDCOMP_UNAME}_HIDDEN
    CPACK_ADDCOMP_STR)
  cpack_append_option_set_command(
    CPACK_COMPONENT_${CPACK_ADDCOMP_UNAME}_REQUIRED
    CPACK_ADDCOMP_STR)
  cpack_append_option_set_command(
    CPACK_COMPONENT_${CPACK_ADDCOMP_UNAME}_DISABLED
    CPACK_ADDCOMP_STR)
  cpack_append_option_set_command(
    CPACK_COMPONENT_${CPACK_ADDCOMP_UNAME}_DOWNLOADED
    CPACK_ADDCOMP_STR)
  # Backward compatibility issue.
  # Write to config iff the macros is used after CPack.cmake has been
  # included, other it's not necessary because the variables
  # will be encoded by cpack_encode_variables.
  IF(CPack_CMake_INCLUDED)
    FILE(APPEND "${CPACK_OUTPUT_CONFIG_FILE}" "${CPACK_ADDCOMP_STR}")
  ENDIF(CPack_CMake_INCLUDED)
ENDMACRO(cpack_add_component)

# Macro that adds a component group to the CPack installer
MACRO(cpack_add_component_group grpname)
  STRING(TOUPPER ${grpname} CPACK_ADDGRP_UNAME)
  cpack_parse_arguments(CPACK_COMPONENT_GROUP_${CPACK_ADDGRP_UNAME}
    "DISPLAY_NAME;DESCRIPTION"
    "EXPANDED;BOLD_TITLE"
    ${ARGN}
    )

  SET(CPACK_ADDGRP_STR "\n# Configuration for component group \"${grpname}\"\n")
  cpack_append_string_variable_set_command(
    CPACK_COMPONENT_GROUP_${CPACK_ADDGRP_UNAME}_DISPLAY_NAME
    CPACK_ADDGRP_STR)
  cpack_append_string_variable_set_command(
    CPACK_COMPONENT_GROUP_${CPACK_ADDGRP_UNAME}_DESCRIPTION
    CPACK_ADDGRP_STR)
  cpack_append_option_set_command(
    CPACK_COMPONENT_GROUP_${CPACK_ADDGRP_UNAME}_EXPANDED
    CPACK_ADDGRP_STR)
  cpack_append_option_set_command(
    CPACK_COMPONENT_GROUP_${CPACK_ADDGRP_UNAME}_BOLD_TITLE
    CPACK_ADDGRP_STR)
  # Backward compatibility issue.
  # Write to config iff the macros is used after CPack.cmake has been
  # included, other it's not necessary because the variables
  # will be encoded by cpack_encode_variables.
  IF(CPack_CMake_INCLUDED)
    FILE(APPEND "${CPACK_OUTPUT_CONFIG_FILE}" "${CPACK_ADDGRP_STR}")
  ENDIF(CPack_CMake_INCLUDED)
ENDMACRO(cpack_add_component_group)

# Macro that adds an installation type to the CPack installer
MACRO(cpack_add_install_type insttype)
  STRING(TOUPPER ${insttype} CPACK_INSTTYPE_UNAME)
  cpack_parse_arguments(CPACK_INSTALL_TYPE_${CPACK_INSTTYPE_UNAME}
    "DISPLAY_NAME"
    ""
    ${ARGN}
    )

  SET(CPACK_INSTTYPE_STR
    "\n# Configuration for installation type \"${insttype}\"\n")
  SET(CPACK_INSTTYPE_STR
    "${CPACK_INSTTYPE_STR}LIST(APPEND CPACK_ALL_INSTALL_TYPES ${insttype})\n")
  cpack_append_string_variable_set_command(
    CPACK_INSTALL_TYPE_${CPACK_INSTTYPE_UNAME}_DISPLAY_NAME
    CPACK_INSTTYPE_STR)
  # Backward compatibility issue.
  # Write to config iff the macros is used after CPack.cmake has been
  # included, other it's not necessary because the variables
  # will be encoded by cpack_encode_variables.
  IF(CPack_CMake_INCLUDED)
    FILE(APPEND "${CPACK_OUTPUT_CONFIG_FILE}" "${CPACK_INSTTYPE_STR}")
  ENDIF(CPack_CMake_INCLUDED)
ENDMACRO(cpack_add_install_type)

MACRO(cpack_configure_downloads site)
  cpack_parse_arguments(CPACK_DOWNLOAD
    "UPLOAD_DIRECTORY"
    "ALL;ADD_REMOVE;NO_ADD_REMOVE"
    ${ARGN}
    )

  SET(CPACK_CONFIG_DL_STR
    "\n# Downloaded components configuration\n")
  SET(CPACK_UPLOAD_DIRECTORY ${CPACK_DOWNLOAD_UPLOAD_DIRECTORY})
  SET(CPACK_DOWNLOAD_SITE ${site})
  cpack_append_string_variable_set_command(
    CPACK_DOWNLOAD_SITE
    CPACK_CONFIG_DL_STR)
  cpack_append_string_variable_set_command(
    CPACK_UPLOAD_DIRECTORY
    CPACK_CONFIG_DL_STR)
  cpack_append_option_set_command(
    CPACK_DOWNLOAD_ALL
    CPACK_CONFIG_DL_STR)
  IF (${CPACK_DOWNLOAD_ALL} AND NOT ${CPACK_DOWNLOAD_NO_ADD_REMOVE})
    SET(CPACK_DOWNLOAD_ADD_REMOVE ON)
  ENDIF (${CPACK_DOWNLOAD_ALL} AND NOT ${CPACK_DOWNLOAD_NO_ADD_REMOVE})
  SET(CPACK_ADD_REMOVE ${CPACK_DOWNLOAD_ADD_REMOVE})
  cpack_append_option_set_command(
    CPACK_ADD_REMOVE
    CPACK_CONFIG_DL_STR)
  # Backward compatibility issue.
  # Write to config iff the macros is used after CPack.cmake has been
  # included, other it's not necessary because the variables
  # will be encoded by cpack_encode_variables.
  IF(CPack_CMake_INCLUDED)
    FILE(APPEND "${CPACK_OUTPUT_CONFIG_FILE}" "${CPACK_CONFIG_DL_STR}")
  ENDIF(CPack_CMake_INCLUDED)
ENDMACRO(cpack_configure_downloads)
ENDIF(NOT CPackComponent_CMake_INCLUDED)
